cos? x sin x | cos“ x dr 3 + 4 COs x sin x 1 COS4 + 4 + c 2

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A: We have to show that sin2usinu-cos2ucosu=secu We have to consider the left hand side of given…

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A: Sin 2a = 2516​Explanation:If you have any questions please let me know in comment box thankyou.

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A: final answeri have proof the RHS = LSH followingi have attached the image of step by step…

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A: Our Aim is to solve the equation given below:-cos2 (θ)-cos (θ)-6=0 -(i)

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A: sin(x+y)=sin(x).cos(y)+cos(x).sin(y) if sin (θ)=-1       then  θ=(2nπ+3π/2)  where n is an integer

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A: In question (3) we will find the value of lambda  And in question (4) we will find the value of…